body,input{
	font:13px arial,
	helvetica,
	clean,
	sans-serif;
	font-size:small; 
	background: Aliceblue;
}
table{
    width: 400px;
    margin: 15% auto;
    padding: 10px;
    position: relative;

    box-shadow: 
        0 0 1px rgba(0, 0, 0, 0.3), 
        0 3px 7px rgba(0, 0, 0, 0.3), 
        inset 0 1px rgba(255,255,255,1),
        inset 0 -3px 2px rgba(0,0,0,0.25);
    border-radius: 5px;
    background: linear-gradient(#eeefef, #ffffff 10%);
	position: relative;
}

#iframe{
    width:50%;
    height:50%;
    max-width: 1000px;
    max-height: 1000px;
    margin-left: auto;
}

.contenedor{
    width:90%;
    max-width: 1000px;
    margin: 0 auto;
}